US PATENT SUBCLASS 252 / 183.14
.~ Inorganic reactants only

Current as of: June, 1999
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252 /   HD   COMPOSITIONS

183.11  DF  CHEMICALLY INTERACTIVE REACTANTS (VIS-A-VIS) {3}
183.14.~ Inorganic reactants only {2}
183.15  DF  .~.~> Calcium carbide precursors
183.16  DF  .~.~> Contains carbonate or bicarbonate

DEFINITION

Classification: 252/183.14

Inorganic reactants only:

(under subclass 183.11) Subject matter wherein the composition contains only inorganic reactants, e.g., a heat producing composition containing magnesium sulfate and iron oxide, etc.